Lake levels › Wyoming

Big Sandy Reservoir water level today

Normal for this time of year

6,735.10ft

feet above sea level ·

vs normal for Oct 9−10.5 ft
24 hours+0.06 ft
7 days+0.5 ft
30 days+0.4 ft

Is Big Sandy Reservoir low right now?

Big Sandy Reservoir was at 6,735.10 ft on October 9, 2026. That is 10.53 ft below the typical level for October 9, within the normal range. Over the past week the lake has been rising about 0.07 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
6,7266,7366,7466,7566,765NovDecJanFebMarAprMayJunJulAugSepOct

Big Sandy Reservoir on Oct 9 in past years

20256,744.2−9.1
20246,750.4−15.3
20236,756.9−21.8
20226,732.2+3.0
20216,728.9+6.3
20206,738.2−3.1

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Change
Oct 96,735.10+0.06
Oct 86,735.04+0.06
Oct 76,734.98+0.06
Oct 66,734.92+0.07
Oct 56,734.85+0.08
Oct 46,734.77+0.07
Oct 36,734.70+0.09
Oct 26,734.61+0.08
Oct 16,734.53+0.10
Sep 306,734.43+0.09
Sep 296,734.34+0.10
Sep 286,734.24+0.13
Sep 276,734.11+0.08
Sep 266,734.03+0.07

Daily means of the operator's readings (midnight to midnight, local time).

About Big Sandy Reservoir

10-year range
6,720.4 ft (August 18, 2021) to 6,763.3 ft (June 10, 2024)
Operated by
U.S. Bureau of Reclamation
Data
U.S. Bureau of Reclamation — Big Sandy Reservoir and Dam
Datum
EGM96

Lakes near Big Sandy Reservoir

Questions

Is Big Sandy Reservoir low right now?

Big Sandy Reservoir was at 6,735.10 ft on October 9, 2026. That is 10.53 ft below the typical level for October 9, within the normal range. Over the past week the lake has been rising about 0.07 ft a day.

How often is the Big Sandy Reservoir level updated?

The operator reports once a day, a day or two behind. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Bureau of Reclamation (Big Sandy Reservoir and Dam). Readings are provisional and can be revised.